{"id":20125721,"url":"https://github.com/bevry/ecmascript-versions","last_synced_at":"2025-07-14T02:32:51.212Z","repository":{"id":37019042,"uuid":"309888644","full_name":"bevry/ecmascript-versions","owner":"bevry","description":"Get all ECMAScript versions, or the ECMAScript version that was ratified on a specific 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TITLE/ --\u003e\n\n# @bevry/ecmascript-versions\n\n\u003c!-- /TITLE --\u003e\n\n\u003c!-- BADGES/ --\u003e\n\n\u003cspan class=\"badge-githubworkflow\"\u003e\u003ca href=\"https://github.com/bevry/ecmascript-versions/actions?query=workflow%3Abevry\" title=\"View the status of this project's GitHub Workflow: bevry\"\u003e\u003cimg src=\"https://github.com/bevry/ecmascript-versions/workflows/bevry/badge.svg\" alt=\"Status of the GitHub Workflow: bevry\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-npmversion\"\u003e\u003ca href=\"https://npmjs.org/package/@bevry/ecmascript-versions\" title=\"View this project on NPM\"\u003e\u003cimg src=\"https://img.shields.io/npm/v/@bevry/ecmascript-versions.svg\" alt=\"NPM version\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-npmdownloads\"\u003e\u003ca href=\"https://npmjs.org/package/@bevry/ecmascript-versions\" title=\"View this project on NPM\"\u003e\u003cimg 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donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-liberapay\"\u003e\u003ca href=\"https://liberapay.com/bevry\" title=\"Donate to this project using Liberapay\"\u003e\u003cimg src=\"https://img.shields.io/badge/liberapay-donate-yellow.svg\" alt=\"Liberapay donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-buymeacoffee\"\u003e\u003ca href=\"https://buymeacoffee.com/balupton\" title=\"Donate to this project using Buy Me A Coffee\"\u003e\u003cimg src=\"https://img.shields.io/badge/buy%20me%20a%20coffee-donate-yellow.svg\" alt=\"Buy Me A Coffee donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-opencollective\"\u003e\u003ca href=\"https://opencollective.com/bevry\" title=\"Donate to this project using Open Collective\"\u003e\u003cimg src=\"https://img.shields.io/badge/open%20collective-donate-yellow.svg\" alt=\"Open Collective donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-crypto\"\u003e\u003ca href=\"https://bevry.me/crypto\" title=\"Donate to this project using Cryptocurrency\"\u003e\u003cimg src=\"https://img.shields.io/badge/crypto-donate-yellow.svg\" alt=\"crypto donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-paypal\"\u003e\u003ca href=\"https://bevry.me/paypal\" title=\"Donate to this project using Paypal\"\u003e\u003cimg src=\"https://img.shields.io/badge/paypal-donate-yellow.svg\" alt=\"PayPal donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cbr class=\"badge-separator\" /\u003e\n\u003cspan class=\"badge-discord\"\u003e\u003ca href=\"https://discord.gg/nQuXddV7VP\" title=\"Join this project's community on Discord\"\u003e\u003cimg src=\"https://img.shields.io/discord/1147436445783560193?logo=discord\u0026amp;label=discord\" alt=\"Discord server badge\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-twitch\"\u003e\u003ca href=\"https://www.twitch.tv/balupton\" title=\"Join this project's community on Twitch\"\u003e\u003cimg src=\"https://img.shields.io/twitch/status/balupton?logo=twitch\" alt=\"Twitch community badge\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\n\u003c!-- /BADGES --\u003e\n\n\u003c!-- DESCRIPTION/ --\u003e\n\nGet all ECMAScript versions, or the ECMAScript version that was ratified on a specific date.\n\n\u003c!-- /DESCRIPTION --\u003e\n\n\n## Usage\n\n[Complete API Documentation.](http://master.ecmascript-versions.bevry.surge.sh/docs/)\n\n```typescript\nimport {\n    getESVersionInformationByVersion,\n    getESVersionByNow,\n    getESVersionByDate,\n    getESVersionsByNow,\n} from '@bevry/ecmascript-versions'\n// results for 2020-11-03\n\n// get the ratification date for an ECMAScript version\nconsole.log(getESVersionInformationByVersion('ES2020').ratified) // 2020-06-01T00:00:00.000Z\n\n// get the edition number for an ECMAScript version\nconsole.log(getESVersionInformationByVersion('ES2020').edition) // 11\n\n// get the latest ECMAScript version that was ratified by current date\nconsole.log(getESVersionByNow()) // ES2020\n\n// get the latest ECMAScript version that was ratified by this time last year\nconsole.log(getESVersionByDate(getDateWithYearOffset(-1))) // ES2019\n\n// get all the latest ECMAScript versions that were ratified so far\nconsole.log(getESVersionsByNow()) /* [\n    'ES1',\n    'ES2',\n    'ES3',\n    'ES5',\n    'ES2015',\n    'ES2016',\n    'ES2017',\n    'ES2018',\n    'ES2019',\n    'ES2020',\n] */\n```\n\n\u003c!-- INSTALL/ --\u003e\n\n## Install\n\n### [npm](https://npmjs.com \"npm is a package manager for javascript\")\n\n-   Install: `npm install --save @bevry/ecmascript-versions`\n-   Import: `import * as pkg from ('@bevry/ecmascript-versions')`\n-   Require: `const pkg = require('@bevry/ecmascript-versions')`\n\n### [Deno](https://deno.land \"Deno is a secure runtime for JavaScript and TypeScript, it is an alternative for Node.js\")\n\n``` typescript\nimport * as pkg from 'https://unpkg.com/@bevry/ecmascript-versions@^4.8.0/edition-deno/index.ts'\n```\n### [Skypack](https://www.skypack.dev \"Skypack is a JavaScript Delivery Network for modern web apps\")\n\n``` html\n\u003cscript type=\"module\"\u003e\n    import * as pkg from '//cdn.skypack.dev/@bevry/ecmascript-versions@^4.8.0'\n\u003c/script\u003e\n```\n### [unpkg](https://unpkg.com \"unpkg is a fast, global content delivery network for everything on npm\")\n\n``` html\n\u003cscript type=\"module\"\u003e\n    import * as pkg from '//unpkg.com/@bevry/ecmascript-versions@^4.8.0'\n\u003c/script\u003e\n```\n### [jspm](https://jspm.io \"Native ES Modules CDN\")\n\n``` html\n\u003cscript type=\"module\"\u003e\n    import * as pkg from '//dev.jspm.io/@bevry/ecmascript-versions@4.8.0'\n\u003c/script\u003e\n```\n### [Editions](https://editions.bevry.me \"Editions are the best way to produce and consume packages you care about.\")\n\nThis package is published with the following editions:\n-   `@bevry/ecmascript-versions` aliases `@bevry/ecmascript-versions/index.cjs` which uses the [Editions Autoloader](https://github.com/bevry/editions \"You can use the Editions Autoloader to autoload the appropriate edition for your consumers environment\") to automatically select the correct edition for the consumer's environment\n-   `@bevry/ecmascript-versions/source/index.ts` is [TypeScript](https://www.typescriptlang.org/ \"TypeScript is a typed superset of JavaScript that compiles to plain JavaScript.\") source code with [Import](https://babeljs.io/docs/learn-es2015/#modules \"ECMAScript Modules\") for modules\n-   `@bevry/ecmascript-versions/edition-browsers/index.js` is [TypeScript](https://www.typescriptlang.org/ \"TypeScript is a typed superset of JavaScript that compiles to plain JavaScript.\") compiled against [ES2022](https://en.wikipedia.org/wiki/ES2022 \"ECMAScript 2022\") for web browsers with [Import](https://babeljs.io/docs/learn-es2015/#modules \"ECMAScript Modules\") for modules\n-   `@bevry/ecmascript-versions/edition-es2022/index.js` is [TypeScript](https://www.typescriptlang.org/ \"TypeScript is a typed superset of JavaScript that compiles to plain JavaScript.\") compiled against [ES2022](https://en.wikipedia.org/wiki/ES2022 \"ECMAScript 2022\") for [Node.js](https://nodejs.org \"Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine\") 6 || 8 || 10 || 12 || 14 || 16 || 18 || 20 || 21 with [Require](https://nodejs.org/dist/latest-v5.x/docs/api/modules.html \"Node/CJS Modules\") for modules\n-   `@bevry/ecmascript-versions/edition-es5/index.js` is [TypeScript](https://www.typescriptlang.org/ \"TypeScript is a typed superset of JavaScript that compiles to plain JavaScript.\") compiled against ES5 for [Node.js](https://nodejs.org \"Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine\") 4 || 6 || 8 || 10 || 12 || 14 || 16 || 18 || 20 || 21 with [Require](https://nodejs.org/dist/latest-v5.x/docs/api/modules.html \"Node/CJS Modules\") for modules\n-   `@bevry/ecmascript-versions/edition-es2022-esm/index.js` is [TypeScript](https://www.typescriptlang.org/ \"TypeScript is a typed superset of JavaScript that compiles to plain JavaScript.\") compiled against [ES2022](https://en.wikipedia.org/wiki/ES2022 \"ECMAScript 2022\") for [Node.js](https://nodejs.org \"Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine\") 12 || 14 || 16 || 18 || 20 || 21 with [Import](https://babeljs.io/docs/learn-es2015/#modules \"ECMAScript Modules\") for modules\n-   `@bevry/ecmascript-versions/edition-types/index.d.ts` is [TypeScript](https://www.typescriptlang.org/ \"TypeScript is a typed superset of JavaScript that compiles to plain JavaScript.\") compiled Types with [Import](https://babeljs.io/docs/learn-es2015/#modules \"ECMAScript Modules\") for modules\n-   `@bevry/ecmascript-versions/edition-deno/index.ts` is [TypeScript](https://www.typescriptlang.org/ \"TypeScript is a typed superset of JavaScript that compiles to plain JavaScript.\") source code made to be compatible with [Deno](https://deno.land \"Deno is a secure runtime for JavaScript and TypeScript, it is an alternative to Node.js\")\n\n\u003c!-- /INSTALL --\u003e\n\n\u003c!-- HISTORY/ --\u003e\n\n## History\n\n[Discover the release history by heading on over to the `HISTORY.md` file.](https://github.com/bevry/ecmascript-versions/blob/HEAD/HISTORY.md#files)\n\n\u003c!-- /HISTORY --\u003e\n\n\u003c!-- BACKERS/ --\u003e\n\n## Backers\n\n### Code\n\n[Discover how to contribute via the `CONTRIBUTING.md` file.](https://github.com/bevry/ecmascript-versions/blob/HEAD/CONTRIBUTING.md#files)\n\n#### Authors\n\n-   [Benjamin Lupton](https://balupton.com) — Accelerating collaborative wisdom.\n\n#### Maintainers\n\n-   [Benjamin Lupton](https://balupton.com) — Accelerating collaborative wisdom.\n\n#### Contributors\n\n-   [Benjamin Lupton](https://github.com/balupton) — [view contributions](https://github.com/bevry/ecmascript-versions/commits?author=balupton \"View the GitHub contributions of Benjamin Lupton on repository bevry/ecmascript-versions\")\n\n### Finances\n\n\u003cspan class=\"badge-githubsponsors\"\u003e\u003ca href=\"https://github.com/sponsors/balupton\" title=\"Donate to this project using GitHub Sponsors\"\u003e\u003cimg src=\"https://img.shields.io/badge/github-donate-yellow.svg\" alt=\"GitHub Sponsors donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-thanksdev\"\u003e\u003ca href=\"https://thanks.dev/u/gh/bevry\" title=\"Donate to this project using ThanksDev\"\u003e\u003cimg src=\"https://img.shields.io/badge/thanksdev-donate-yellow.svg\" alt=\"ThanksDev donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-patreon\"\u003e\u003ca href=\"https://patreon.com/bevry\" title=\"Donate to this project using Patreon\"\u003e\u003cimg src=\"https://img.shields.io/badge/patreon-donate-yellow.svg\" alt=\"Patreon donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-liberapay\"\u003e\u003ca href=\"https://liberapay.com/bevry\" title=\"Donate to this project using Liberapay\"\u003e\u003cimg src=\"https://img.shields.io/badge/liberapay-donate-yellow.svg\" alt=\"Liberapay donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-buymeacoffee\"\u003e\u003ca href=\"https://buymeacoffee.com/balupton\" title=\"Donate to this project using Buy Me A Coffee\"\u003e\u003cimg src=\"https://img.shields.io/badge/buy%20me%20a%20coffee-donate-yellow.svg\" alt=\"Buy Me A Coffee donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-opencollective\"\u003e\u003ca href=\"https://opencollective.com/bevry\" title=\"Donate to this project using Open Collective\"\u003e\u003cimg src=\"https://img.shields.io/badge/open%20collective-donate-yellow.svg\" alt=\"Open Collective donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-crypto\"\u003e\u003ca href=\"https://bevry.me/crypto\" title=\"Donate to this project using Cryptocurrency\"\u003e\u003cimg src=\"https://img.shields.io/badge/crypto-donate-yellow.svg\" alt=\"crypto donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\u003cspan class=\"badge-paypal\"\u003e\u003ca href=\"https://bevry.me/paypal\" title=\"Donate to this project using Paypal\"\u003e\u003cimg src=\"https://img.shields.io/badge/paypal-donate-yellow.svg\" alt=\"PayPal donate button\" /\u003e\u003c/a\u003e\u003c/span\u003e\n\n#### Sponsors\n\n-   [Andrew Nesbitt](https://nesbitt.io) — Software engineer and researcher\n-   [Balsa](https://balsa.com) — We're Balsa, and we're building tools for builders.\n-   [Codecov](https://codecov.io) — Empower developers with tools to improve code quality and testing.\n-   [Poonacha Medappa](https://poonachamedappa.com)\n-   [Rob Morris](https://github.com/Rob-Morris)\n-   [Sentry](https://sentry.io) — Real-time crash reporting for your web apps, mobile apps, and games.\n-   [Syntax](https://syntax.fm) — Syntax Podcast\n\n#### Donors\n\n-   [Andrew Nesbitt](https://nesbitt.io)\n-   [Armen Mkrtchian](https://mogoni.dev)\n-   [Balsa](https://balsa.com)\n-   [Chad](https://opencollective.com/chad8)\n-   [Codecov](https://codecov.io)\n-   [dr.dimitru](https://veliovgroup.com)\n-   [Elliott Ditman](https://elliottditman.com)\n-   [entroniq](https://gitlab.com/entroniq)\n-   [GitHub](https://github.com/about)\n-   [Hunter Beast](https://cryptoquick.com)\n-   [Jean-Luc Geering](https://github.com/jlgeering)\n-   [Michael Duane Mooring](https://mdm.cc)\n-   [Michael Harry Scepaniak](https://michaelscepaniak.com)\n-   [Mohammed Shah](https://github.com/smashah)\n-   [Mr. Henry](https://mrhenry.be)\n-   [Nermal](https://arjunaditya.vercel.app)\n-   [Pleo](https://pleo.io)\n-   [Poonacha Medappa](https://poonachamedappa.com)\n-   [Rob Morris](https://github.com/Rob-Morris)\n-   [Robert de Forest](https://github.com/rdeforest)\n-   [Sentry](https://sentry.io)\n-   [ServieJS](https://github.com/serviejs)\n-   [Skunk Team](https://skunk.team)\n-   [Syntax](https://syntax.fm)\n-   [WriterJohnBuck](https://github.com/WriterJohnBuck)\n\n\u003c!-- /BACKERS --\u003e\n\n\u003c!-- LICENSE/ --\u003e\n\n## License\n\nUnless stated otherwise all works are:\n\n-   Copyright \u0026copy; [Benjamin Lupton](https://balupton.com)\n\nand licensed under:\n\n-   [Artistic License 2.0](http://spdx.org/licenses/Artistic-2.0.html)\n\n\u003c!-- /LICENSE --\u003e\n\n\n```\n\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbevry%2Fecmascript-versions","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fbevry%2Fecmascript-versions","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbevry%2Fecmascript-versions/lists"}